Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 30 Mar 2023 09:48:29 +0100
From:   "Russell King (Oracle)" <linux@armlinux.org.uk>
To:     Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@st.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        "David S . Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Ong Boon Leong <boon.leong.ong@intel.com>,
        netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        hkallweit1@gmail.com, andrew@lunn.ch,
        Looi Hong Aun <hong.aun.looi@intel.com>,
        Voon Weifeng <weifeng.voon@intel.com>,
        Lai Peter Jun Ann <peter.jun.ann.lai@intel.com>
Subject: Re: [PATCH net v4 1/3] net: phylink: add phylink_expects_phy() method
Message-ID: <ZCVM3c+Pk38pv6vs@shell.armlinux.org.uk>
References: <20230330084000.3292487-1-michael.wei.hong.sit@intel.com>
 <20230330084000.3292487-2-michael.wei.hong.sit@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230330084000.3292487-2-michael.wei.hong.sit@intel.com>
Sender: Russell King (Oracle) <linux@armlinux.org.uk>
Precedence: bulk

On Thu, Mar 30, 2023 at 04:39:58PM +0800, Michael Sit Wei Hong wrote:
> Provide phylink_expects_phy() to allow MAC drivers to check if it
> is expecting a PHY to attach to. Since fixed-linked setups do not
> need to attach to a PHY.
> 
> Provides a boolean value as to if the MAC should expect a PHY.
> returns true if a PHY is expected.
> 
> Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
> ---
>  drivers/net/phy/phylink.c | 17 +++++++++++++++++
>  include/linux/phylink.h   |  1 +
>  2 files changed, 18 insertions(+)
> 
> diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
> index 1a2f074685fa..4c080656e280 100644
> --- a/drivers/net/phy/phylink.c
> +++ b/drivers/net/phy/phylink.c
> @@ -1586,6 +1586,23 @@ void phylink_destroy(struct phylink *pl)
>  }
>  EXPORT_SYMBOL_GPL(phylink_destroy);
>  
> +/**
> + * phylink_expects_phy() - Determine if phylink expects a phy to be attached
> + * @pl: a pointer to a &struct phylink returned from phylink_create()
> + *
> + * Fixed-link mode does not need a PHY, returns a boolean value to check if
> + * phylink will be expecting a PHY to attach.

This description could be clearer (for example, it isn't just about
fixed-link mode), but apart from that, it's good. I don't think that's
a reason to delay this any further, but please follow-up with a patch
to improve this description.

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!